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What is WMA?

Windows Media Audio

It's also known as WMA Standard. Microsoft created it to compete against MP3, that was quickly becoming the de-facto standard format for lossy compression.

Even though Microsoft claims it is able to deliver the same quality as MP3 at half the bitrates, that statement is certainly false. A more realistic number would be same quality at around 25% smaller bitrates - and that applies to low bitrates only. At 128kbps, it is easily beaten by Lame.

WMA Std is the second most widespread lossy format (only losing to the ubiquitous MP3), mostly thanks to Microsoft's aggressive marketing tactics.

Windows Media Audio Professional

Windows Media Audio Professional (WMA Pro) was recently released to address limitations in WMA Standard. It supports multichannel encoding and high resolutions (24bit, high sampling rates)

Since it's backwards incompatible with WMA Std, Microsoft took the opportunity to make a high quality encoder out of it. Meanwhile WMA Std lost even to MP3 in an informal public listening test, WMA Pro was ranked at the top (next to other high quality formats) in a similar test.

These days, Microsoft is pushing the Pro codec for inclusion in the next generation DVD standard as standard audio format.

Windows Media Audio Lossless

This is the matematically lossless codec in the Windows Media family. It's a welcome addition since it was the first lossless codec backed up by a major player in the multimedia compression field. Compression efficiency-wise, it's on par with WavPack high and between Monkey's Audio fast and normal.
Audio converter
  • WMA to AAC, MP3, WAV, APE
  • WMA to iPod, iPhone, iPad
  • WMA to any cell phone
  • Add music to Archos, PSD, xBox
convert audio
Total Audio Converter supports the following conversions with WMA format files:
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